#! /bin/bash
## Execute this as su from frontend. Supply the username for $user when prompted. The script add the user to the user group 'g09group' so that 
#the user can use Gaussian in the cluster

if [ -d "/share/apps/g09/" ]; then
    read -p "Enter username whom you want to add as Gaussian user : " user
	
	#####
	coc-sshreachable
	hosts=$(cat /share/tmp/ssh-reachable.dat | awk '{if ($1 != "192.168.1.10") print $1}')
	for i in $hosts
	do
	command="groupadd g09group ; groupmod -g 1108 g09group; usermod -a -G g09group $user"	
		ssh -X -Y -oStrictHostKeyChecking=no $i "$command"
	done
	#####
fi